Butar-Butar , Diana Florenta, Perlaban Karo-Karo, Margono Ginting, and Hendri Mayanta. 2024. “The Influence of Transformational Leadership on Employee Career Development Case Study on PT. Pegadaian Branch of Pematangsiantar City”. ProBisnis : Jurnal Manajemen 15 (6):341-48. https://ejournal.joninstitute.org/index.php/ProBisnis/article/view/862.